CN106994900B - Vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device - Google Patents
Vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device Download PDFInfo
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- CN106994900B CN106994900B CN201710399295.8A CN201710399295A CN106994900B CN 106994900 B CN106994900 B CN 106994900B CN 201710399295 A CN201710399295 A CN 201710399295A CN 106994900 B CN106994900 B CN 106994900B
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/006—Supplying electric power to auxiliary equipment of vehicles to power outlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a vehicle-mounted bidirectional charger, a vehicle-mounted bidirectional power supply method and a device, wherein the vehicle-mounted bidirectional power supply method is applied to the vehicle-mounted bidirectional charger and comprises the following steps: receiving a resistance value detected at a resistance detection interface position of the slow charging port, a first voltage value detected at the control guide interface position of the slow charging port when a control guide circuit connected with the vehicle-mounted bidirectional charger is in a first state, and a second voltage value detected at the control guide interface position of the slow charging port when the control guide circuit is in a second state; and when the vehicle-mounted bidirectional charger is determined to be in a charging mode according to the resistance value, the preset resistance value, the first voltage value and the second voltage value, controlling a first control switch connected with a power supply interface of the slow charging port and a second control switch connected with an electric socket to be in a closed state. The invention reduces the cost of the whole vehicle, and can meet the use of more high-power loads in the vehicle by a power supply mode through the charging pile.
Description
Technical field
The present invention relates to automobile charging field, especially a kind of vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and dresses
It sets.
Background technique
The vehicle-mounted 220VAC power supply unit being mounted in middle and high end passenger car, commercial vehicle and part SUV vehicle, usually from
12V or 24V low tension battery takes electricity, is converted into 220VAC electricity by dedicated inverter unit, as shown in Figure 1.The prior art
In 22VAC electrical socket power supply mode there are the problem of include:
1, because 12V or 24V low tension battery capacity is smaller, lead to the 220VAC electric work being converted by this inverter unit
Rate is lower, generally within 200W, is unable to satisfy user to the use demand of more high-power electric appliance.
2, the 220VAC function of electricity is provided to realize, needs to increase integral vehicle cost using dedicated inverter unit.
Summary of the invention
Technical problems to be solved of the embodiment of the present invention are to provide a kind of vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method
And device, powerful electric energy is provided to electrical socket by charging pile to realize, reduces integral vehicle cost.
In order to solve the above technical problems, vehicle-mounted bidirectional power supply method provided in an embodiment of the present invention, is applied to vehicle-mounted two-way
Charger, comprising:
The resistance value detected at resistance detection interface position received from trickle charge mouth connects with the vehicle-mounted bidirectional charger
The first electricity detected when the control guidance circuit connect is in first state from the control guiding interface position of the trickle charge mouth
It is detected when pressure value and the control guidance circuit are in the second state from the control guiding interface position of the trickle charge mouth
Second voltage value；
According to the resistance value, predetermined resistance value, the first voltage value and second voltage value, the vehicle-mounted two-way charging is determined
When machine itself is in charge mode, controls the first control switch for connecting with the power supply interface of trickle charge mouth and connect with electrical socket
Second control switch is in closed state, and the charging pile connecting with the trickle charge mouth is made to pass through the power supply interface pair of the trickle charge mouth
The electrical socket power supply, and power battery is powered by the trickle charge mouth and the vehicle-mounted bidirectional charger；
Wherein, first control switch is connected with second control switch, first control switch and described
Two control switches are connect with the vehicle-mounted bidirectional charger, and the vehicle-mounted bidirectional charger is connect with the power battery.
Preferably, it according to the resistance value, predetermined resistance value, the first voltage value and second voltage value, determines described vehicle-mounted
Bidirectional charger itself is in the step of charge mode, comprising:
If the resistance value is the predetermined resistance value, and according to the first voltage value and second voltage value, determines institute
When stating trickle charge mouth and charging pile successful connection, determine that the vehicle-mounted bidirectional charger itself is in charge mode.
Preferably, according to the first voltage and the second voltage, the trickle charge mouth and charging pile successful connection are determined
The step of, comprising:
The first voltage be the first predeterminated voltage, and the second voltage be the second predeterminated voltage when, determine described in
Trickle charge mouth and charging pile successful connection.
Preferably, the vehicle-mounted bidirectional power supply method further include:
Receive what the current sensor being set between first control switch and second control switch detected
Current value；
According to the current value, state switching is carried out to the second control switch in closed state；
Wherein, the current sensor is connect with the vehicle-mounted bidirectional charger.
Preferably, described according to the current value, state switching is carried out to the second control switch in closed state
Step, comprising:
Judge whether the current value is greater than pre-set current value；
When the current value is greater than the pre-set current value, control is switched in the second control switch of closed state
Off-state.
Preferably, when the current value is greater than the pre-set current value, the vehicle-mounted bidirectional power supply method further include:
Overcurrent fault message is sent by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger.
According to another aspect of the present invention, the embodiment of the invention also provides a kind of vehicle-mounted bidirectional power supply device, it is applied to
Vehicle-mounted bidirectional charger, comprising:
First receiving module, the resistance value for being detected at the resistance detection interface position received from trickle charge mouth, with institute
It states and guides interface position from the control of the trickle charge mouth when control guidance circuit that vehicle-mounted bidirectional charger connects is in first state
The first voltage value and the control guidance circuit that the place of setting detects are led when being in the second state from the control of the trickle charge mouth
Draw the second voltage value detected at interface position；
Control module, for determining institute according to the resistance value, predetermined resistance value, the first voltage value and second voltage value
When stating vehicle-mounted bidirectional charger itself and being in charge mode, control the first control switch being connect with the power supply interface of trickle charge mouth and
The second control switch connecting with electrical socket is in closed state, and the charging pile connecting with the trickle charge mouth is made to pass through the trickle charge
The power supply interface of mouth powers to the electrical socket, and by the trickle charge mouth and the vehicle-mounted bidirectional charger to power battery
It is powered；
Wherein, first control switch is connected with second control switch, first control switch and described
Two control switches are connect with the vehicle-mounted bidirectional charger, and the vehicle-mounted bidirectional charger is connect with the power battery.
Preferably, the vehicle-mounted bidirectional power supply device further include:
First determining module, if be the predetermined resistance value for the resistance value, and according to the first voltage value and
Second voltage value when determining the trickle charge mouth and charging pile successful connection, determines that the vehicle-mounted bidirectional charger itself is in and fills
Power mode.
Preferably, the vehicle-mounted bidirectional power supply device further include:
Second determining module, for being the first preset voltage value in the first voltage value, and the second voltage value is
When the second preset voltage value, the trickle charge mouth and charging pile successful connection are determined.
Preferably, the vehicle-mounted bidirectional power supply device further include:
Second receiving module, for receiving the electricity being set between first control switch and second control switch
The current value that flow sensor detects；
Switching module, for carrying out state switching to the second control switch in closed state according to the current value；
Wherein, the current sensor is connect with the vehicle-mounted bidirectional charger.
Preferably, the switching module includes:
Judging unit, for judging whether the current value is greater than pre-set current value；
Switch unit, for when the current value is greater than the pre-set current value, control to be in the second of closed state
Control switch switches to off-state.
Preferably, the vehicle-mounted bidirectional power supply device further include:
Sending module, for sending over current fault by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger
Information.
According to another aspect of an embodiment of the present invention, the embodiment of the invention also provides a kind of vehicle-mounted bidirectional charger, packets
Include above-mentioned vehicle-mounted bidirectional power supply device.
Compared with prior art, vehicle-mounted bidirectional charger provided in an embodiment of the present invention, vehicle-mounted bidirectional power supply method and dress
It sets, at least has the advantages that
The setting for eliminating inverter unit in the prior art reduces the cost of vehicle.Meanwhile by charging pile into
The mode of row power supply, compared with the existing technology provided in the electric energy lower than 200W, can satisfy in interior more big function
The use of rate load.
Detailed description of the invention
Fig. 1 is the flow diagram of the power supply mode of electrical socket in the prior art；
Fig. 2 is one of the flow diagram of vehicle-mounted bidirectional power supply method described in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram that guidance circuit is controlled described in the embodiment of the present invention；
Fig. 4 is the two of the flow diagram of vehicle-mounted bidirectional power supply method described in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of vehicle-mounted bidirectional power supply device described in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of vehicle-mounted bidirectional charger described in the embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.In the following description, such as specific configuration is provided and the specific detail of component is only
In order to help comprehensive understanding the embodiment of the present invention.It therefore, it will be apparent to those skilled in the art that can be to reality described herein
Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, it is omitted pair
The description of known function and construction.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot
Structure or characteristic can combine in any suitable manner in one or more embodiments.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion.
Referring to Fig. 2, the embodiment of the invention provides a kind of vehicle-mounted bidirectional power supply methods, are applied to vehicle-mounted bidirectional charger,
Include:
Step 1, the resistance value detected at the resistance detection interface position received from trickle charge mouth vehicle-mounted two-way is filled with described
It is detected when the control guidance circuit of motor connection is in first state from the control guiding interface position of the trickle charge mouth
When the first voltage value and the control guidance circuit are in the second state from the control guiding interface position of the trickle charge mouth
The second voltage value detected；
Step 2, according to the first resistor value, predetermined resistance value, the first voltage value and second voltage value, the vehicle is determined
Bidirectional charger itself is carried when be in charge mode, the first control switch that control is connect with the power supply interface of trickle charge mouth and with electricity
Second control switch of socket connection is in closed state, and the charging pile connecting with the trickle charge mouth is made to pass through the trickle charge mouth
Power supply interface powers to the electrical socket, and is carried out by the trickle charge mouth and the vehicle-mounted bidirectional charger to power battery
Power supply；
Wherein, first control switch is connected with second control switch, first control switch and described
Two control switches are connect with the vehicle-mounted bidirectional charger, and the vehicle-mounted bidirectional charger is connect with the power battery.
Referring to Fig. 3, the control guidance circuit in the embodiment of the present invention includes: diode D, first resistor R1, second resistance
It connects to the vehicle body of R2, first switch S1, the first end of first switch S1 and vehicle-mounted bidirectional charger, second end and second resistance
The other end of R2 connection, second resistance R2 is connect with diode D, and the first end of first resistor R1 is connect with diode D, second end
With connecting the vehicle body of the vehicle-mounted bidirectional charger, first resistor R1 is in parallel with second resistance R2, the other end of diode D and the control
System guiding interface connection, first switch S1 are connect with vehicle-mounted bidirectional charger.It controls guidance circuit to refer in first state, vehicle
It carries bidirectional charger control first switch S1 to be in an off state, second resistance R2 does not access the state of circuit；Control guiding electricity
Road is in the second state and refers to that vehicle-mounted bidirectional charger control first switch S1 is in closed state, and second resistance R2 accesses circuit
State.
In embodiments of the present invention, the first control switch and the second control switch are relay.
Determining that trickle charge mouth and charging pile are complete according to the first resistor value, the first voltage value and the second voltage value that detect
After full connection, charging pile provides the electric energy that power is 3300W to electrical socket by trickle charge mouth；Meanwhile passing through trickle charge port transmission
Electric energy be transferred to power battery after vehicle-mounted bidirectional charger itself carries out rectification processing, charge to power battery.
The vehicle-mounted bidirectional power supply method of the embodiment of the present invention eliminates the setting of inverter unit in the prior art, drop
The low cost of vehicle.Meanwhile in such a way that charging pile is powered, compared with the existing technology provided in be lower than 200W
Electric energy, can satisfy in the use of interior more high power loads.
And further, in embodiments of the present invention, step 2 includes:
Step 21, if the first resistor value is the predetermined resistance value, and according to the first voltage value and the second electricity
Pressure value determines that the vehicle-mounted bidirectional charger itself is in charge mode when determining the trickle charge mouth and charging pile successful connection.
The purpose that vehicle-mounted bidirectional charger is in charge mode is in order to which the AC rectification for transmitting charging pile is to meet
The direct current that power battery requires.
In step 21, when resistance value is predetermined resistance value, in order to guarantee to treat the peace in Rechargeable vehicle charging process
Entirely, it is necessary to after determining to be fully connected between trickle charge mouth, electric discharge three components of rifle and automobile to be charged, vehicle-mounted bidirectional charger
Itself could be in charge mode, then carry out rectification processing to the direct current of power battery transmission.
And further, in embodiments of the present invention, step 21 includes:
Step 211, when the voltage value is the first preset voltage value and the second voltage is the second preset voltage value,
Determine the trickle charge mouth and charging pile successful connection.
Herein, the first preset voltage value is 9VPWM, and the second preset voltage value is 6VPWM.At above-mentioned first switch S1
When off-state, voltage value is the first preset voltage value, is in closed state in first switch S1, voltage value is second default
Voltage value.
The setting purpose of step 211 be determine whether be fully connected between charging pile, charging gun and trickle charge mouth three, be
Guarantee charging safety, to need to be fully connected charging pile between three can just be powered.
And further, in embodiments of the present invention, referring to Fig. 3, the vehicle-mounted bidirectional power supply method further include:
Step 3, the current sensor inspection being set between first control switch and second control switch is received
The current value measured；
Step 4, according to the current value, state switching is carried out to the second control switch in closed state；
Wherein, the current sensor is connect with the vehicle-mounted bidirectional charger.
In embodiments of the present invention, whether the setting of step 3 and step 4 is occurred for detection circuit during the charging process
Failure guarantees charging safety.
In embodiments of the present invention, step 4 includes:
Step 41, judge whether the current value is greater than pre-set current value；
Step 42, when the current value is greater than the pre-set current value, control is opened in the second control of closed state
Concern shifts to off-state.
When the current value is less than or equal to the pre-set current value, not to the second control switch in closed state
It is controlled, is kept continuously in a closed state it, persistently electrical socket is powered.
In embodiments of the present invention, when the current value is greater than the pre-set current value, the vehicle-mounted bidirectional power supply side
Method further include:
Step 5, overcurrent fault message is sent by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger.
When current value is less than or equal to the pre-set current value, at this point, the actual current that current sensor is detected
Value is transferred to instrument and is shown.
The vehicle-mounted bidirectional power supply method provided through the embodiment of the present invention, when trickle charge mouth is connect with charging pile, by filling
The electric energy that electric stake is 3300W to the power that electrical socket provides can satisfy in the electricity consumption of interior more high power loads.Meanwhile
Due to eliminating dedicated inverter unit, integral vehicle cost is reduced.
According to another aspect of the present invention, referring to Fig. 5, the embodiment of the invention also provides a kind of vehicle-mounted bidirectional power supplies to fill
It sets, is applied to vehicle-mounted bidirectional charger, comprising:
First receiving module 1, the resistance value for being detected at the resistance detection interface position received from trickle charge mouth, with institute
It states and guides interface position from the control of the trickle charge mouth when control guidance circuit that vehicle-mounted bidirectional charger connects is in first state
The first voltage value and the control guidance circuit that the place of setting detects are led when being in the second state from the control of the trickle charge mouth
Draw the second voltage value detected at interface position；
Control module 2, for determining institute according to the resistance value, predetermined resistance value, the first voltage value and second voltage value
When stating vehicle-mounted bidirectional charger itself and being in charge mode, control the first control switch being connect with the power supply interface of trickle charge mouth and
The second control switch connecting with electrical socket is in closed state, and the charging pile connecting with the trickle charge mouth is made to pass through the trickle charge
The power supply interface of mouth powers to the electrical socket, and by the trickle charge mouth and the vehicle-mounted bidirectional charger to power battery
It is powered；
Wherein, first control switch is connected with second control switch, first control switch and described
Two control switches are connect with the vehicle-mounted bidirectional charger, and the vehicle-mounted bidirectional charger is connect with the power battery.
Preferably, the vehicle-mounted bidirectional power supply device further include:
First determining module, if be the predetermined resistance value for the resistance value, and according to the first voltage value and
Second voltage value when determining the trickle charge mouth and charging pile successful connection, determines that the vehicle-mounted bidirectional charger itself is in and fills
Power mode.
Preferably, the vehicle-mounted bidirectional power supply device further include:
Second determining module, for being the first preset voltage value in the first voltage value and the second voltage value is
When two preset voltage values, the trickle charge mouth and charging pile successful connection are determined.
Preferably, the vehicle-mounted bidirectional power supply device further include:
Second receiving module, for receiving the electricity being set between first control switch and second control switch
The current value that flow sensor detects；
Switching module, for carrying out state switching to the second control switch in closed state according to the current value；
Wherein, the current sensor is connect with the vehicle-mounted bidirectional charger.
Preferably, the switching module includes:
Judging unit, for judging whether the current value is greater than pre-set current value；
Switch unit, for when the current value is greater than the pre-set current value, control to be in the second of closed state
Control switch switches to off-state.
Preferably, the vehicle-mounted bidirectional power supply device further include:
Sending module, for sending over current fault by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger
Information.
Vehicle-mounted bidirectional power supply device provided in an embodiment of the present invention, is device corresponding with the above method, in the above method
All implementations suitable for the embodiment of the device, can also reach identical technical effect.According to resistance value,
When one voltage value and second voltage value determine that vehicle-mounted bidirectional charger itself is in charge mode, by charging pile to electrical socket
The mode being powered, the power for being supplied to electrical socket reach 3300W, compared with the existing technology provided in lower than 200W
Power can satisfy in interior more load electricity consumptions；Meanwhile the present invention passes through vehicle-mounted bidirectional charger itself to power battery
The direct current of offer carries out inversion processing, eliminates the setting of special inverter unit in the prior art, reduce vehicle at
This.
According to another aspect of an embodiment of the present invention, the embodiment of the invention also provides a kind of vehicle-mounted bidirectional charger, packets
Include above-mentioned vehicle-mounted bidirectional power supply device.
Referring to Fig. 6, in the embodiment of the present invention, vehicle-mounted bidirectional charger include controller, be separately connected with controller it is double
To AC/DC module and two-way DC/AC module, wherein two-way AC/DC module is connected with two-way DC/AC module；Above-mentioned is vehicle-mounted double
It is integrated in controller to power supply unit.When vehicle-mounted bidirectional charger itself is in charge mode, two-way AC/DC module is in whole
Stream mode, and two-way DC/AC module is in decompression state.The resistance detection interface and control guiding interface of controller and trickle charge mouth
Connection, according to the first electricity detected at resistance value and automatic control system the guiding interface position detected at resistance detection interface position
When pressure value and second voltage value judge the component connecting with trickle charge mouth as charging pile, by controlling the first control switch and second
The open and-shut mode of switch is controlled, and realization is powered electrical socket and is powered to power battery.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (13)
1. a kind of vehicle-mounted bidirectional power supply method is applied to vehicle-mounted bidirectional charger characterized by comprising
The resistance value detected at resistance detection interface position received from trickle charge mouth is connect with the vehicle-mounted bidirectional charger
The first voltage value detected when control guidance circuit is in first state from the control guiding interface position of the trickle charge mouth,
And the control guidance circuit guides the detected at interface position when be in the second state from the control of the trickle charge mouth
Two voltage values；
According to the resistance value, predetermined resistance value, the first voltage value and second voltage value, determine the vehicle-mounted bidirectional charger certainly
It is in when charge mode, controls the first control switch connecting with the power supply interface of trickle charge mouth and connect with electrical socket second
Control switch is in closed state, makes the charging pile connecting with the trickle charge mouth by the power supply interface of the trickle charge mouth to described
Electrical socket power supply, and power battery is powered by the trickle charge mouth and the vehicle-mounted bidirectional charger；
Wherein, first control switch is connected with second control switch, first control switch and second control
System switch is connect with the vehicle-mounted bidirectional charger, and the vehicle-mounted bidirectional charger is connect with the power battery.
2. vehicle-mounted bidirectional power supply method according to claim 1, which is characterized in that according to the resistance value, preset resistance
Value, the first voltage value and second voltage value, determine the step of vehicle-mounted bidirectional charger itself is in charge mode, comprising:
If the resistance value is the predetermined resistance value, and according to the first voltage value and second voltage value, is determined described slow
When filling mouth and charging pile successful connection, determine that the vehicle-mounted bidirectional charger itself is in charge mode.
3. vehicle-mounted bidirectional power supply method according to claim 2, which is characterized in that according to the first voltage value and described
Second voltage value determines the step of trickle charge mouth is with charging pile successful connection, comprising:
The first voltage value be the first preset voltage value, and the second voltage value be the second preset voltage value when, determine
The trickle charge mouth and charging pile successful connection.
4. vehicle-mounted bidirectional power supply method according to claim 1, which is characterized in that the vehicle-mounted bidirectional power supply method is also wrapped
It includes:
Receive the electric current that the current sensor being set between first control switch and second control switch detects
Value；
According to the current value, state switching is carried out to the second control switch in closed state；
Wherein, the current sensor is connect with the vehicle-mounted bidirectional charger.
5. vehicle-mounted bidirectional power supply method according to claim 4, which is characterized in that it is described according to the current value, to place
In the step of the second control switch of closed state carries out state switching, comprising:
Judge whether the current value is greater than pre-set current value；
When the current value is greater than the pre-set current value, control switches to disconnection in the second control switch of closed state
State.
6. vehicle-mounted bidirectional power supply method according to claim 5, which is characterized in that be greater than in the current value described default
When current value, the vehicle-mounted bidirectional power supply method further include:
Overcurrent fault message is sent by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger.
7. a kind of vehicle-mounted bidirectional power supply device is applied to vehicle-mounted bidirectional charger characterized by comprising
First receiving module, the resistance value for being detected at the resistance detection interface position received from trickle charge mouth, with the vehicle
It carries when the control guidance circuit that bidirectional charger connects is in first state from the control guiding interface position of the trickle charge mouth
The first voltage value and the control guidance circuit detected connects when being in the second state from the control guiding of the trickle charge mouth
The second voltage value detected at mouth position；
Control module, for determining the vehicle according to the resistance value, predetermined resistance value, the first voltage value and second voltage value
Bidirectional charger itself is carried when be in charge mode, the first control switch that control is connect with the power supply interface of trickle charge mouth and with electricity
Second control switch of socket connection is in closed state, and the charging pile connecting with the trickle charge mouth is made to pass through the trickle charge mouth
Power supply interface powers to the electrical socket, and is carried out by the trickle charge mouth and the vehicle-mounted bidirectional charger to power battery
Power supply；
Wherein, first control switch is connected with second control switch, first control switch and second control
System switch is connect with the vehicle-mounted bidirectional charger, and the vehicle-mounted bidirectional charger is connect with the power battery.
8. vehicle-mounted bidirectional power supply device according to claim 7, which is characterized in that the vehicle-mounted bidirectional power supply device also wraps
It includes:
First determining module, if being the predetermined resistance value for the resistance value, and according to the first voltage value and second
Voltage value when determining the trickle charge mouth and charging pile successful connection, determines that the vehicle-mounted bidirectional charger itself is in charging mould
Formula.
9. vehicle-mounted bidirectional power supply device according to claim 8, which is characterized in that the vehicle-mounted bidirectional power supply device also wraps
It includes:
Second determining module, for being the first preset voltage value in the first voltage value, and the second voltage value is second
When preset voltage value, the trickle charge mouth and charging pile successful connection are determined.
10. vehicle-mounted bidirectional power supply device according to claim 7, which is characterized in that the vehicle-mounted bidirectional power supply device is also
Include:
Second receiving module is passed for receiving the electric current being set between first control switch and second control switch
The current value that sensor detects；
Switching module, for carrying out state switching to the second control switch in closed state according to the current value；
Wherein, the current sensor is connect with the vehicle-mounted bidirectional charger.
11. vehicle-mounted bidirectional power supply device according to claim 10, which is characterized in that the switching module includes:
Judging unit, for judging whether the current value is greater than pre-set current value；
Switch unit, for when the current value is greater than the pre-set current value, control to be in the second control of closed state
Switching is to off-state.
12. vehicle-mounted bidirectional power supply device according to claim 11, which is characterized in that the vehicle-mounted bidirectional power supply device is also
Include:
Sending module, for sending overcurrent fault message by the instrument that CAN bus is connect to the vehicle-mounted bidirectional charger.
13. a kind of vehicle-mounted bidirectional charger, which is characterized in that including the described in any item vehicle-mounted two-way confessions of claim 7 to 12
Electric installation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710399295.8A CN106994900B (en) | 2017-05-31 | 2017-05-31 | Vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device |
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| CN201710399295.8A CN106994900B (en) | 2017-05-31 | 2017-05-31 | Vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device |
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| CN106994900B true CN106994900B (en) | 2019-04-26 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107757401B (en) * | 2017-09-25 | 2019-11-05 | 北京新能源汽车股份有限公司 | Control method and device for working mode of vehicle-mounted bidirectional charger and electric vehicle |
| CN107658945A (en) * | 2017-10-31 | 2018-02-02 | 北京新能源汽车股份有限公司 | Charging control method and device and automobile |
| CN107696901A (en) * | 2017-10-31 | 2018-02-16 | 北京新能源汽车股份有限公司 | Charging control method and device and automobile |
| CN107901774A (en) * | 2017-10-31 | 2018-04-13 | 北京新能源汽车股份有限公司 | Vehicle charging and discharging control method, device and system and automobile |
| CN108828365B (en) * | 2018-07-02 | 2021-04-30 | 科世达（上海）管理有限公司 | Test system of vehicle-mounted bidirectional charger, control method of test system and computer equipment |
| CN111864839B (en) * | 2020-07-21 | 2022-10-21 | 深圳威迈斯新能源股份有限公司 | Method for detecting input line impedance and current-limiting protection input line by vehicle-mounted charger |
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